<template>
    <div class="person">
        <h2>姓名:{{ name }}</h2>
        <h2>年龄：{{ age }}</h2>
        <h2 v-show='show'>{{ tel }}</h2>
        <button @click="changeName">修改名字</button>
        <button @click="ageAdd">年龄+1</button>
        <button @click="showTel">查看联系方式</button>
    </div>
</template>

<!-- 一般组件名和文件名一致，如果要改需要 vite-plugin-vue-setup-extend 插件支撑 -->
<script lang="ts" setup name="Person999">

import {ref} from 'vue'

//数据    注意：此时数据都不是响应式的，方法操作后，不会改变页面显示
let name = ref('张三')
let age = ref(18)
let tel = ref(13900000)
let show = ref(false)

//方法
function changeName() {
    name.value = '刘备'
}

function ageAdd() {
    age.value += 1
}

function showTel() {
    show.value = true
}


</script>

<style lang="scss" scoped>
.person {
    background-color: skyblue;
    box-shadow: 0 0 10 px;
    border-radius: 10px;
    color: white;
    padding: 20px;
}

button {
    margin: 0 5px;
}
</style>
